Crossing stops for joints 4 mm 100 pcs

100 cross stitches for joints (stoppers) SIRI with a thickness of 4 mm. They are used with cement mortar. Cross-stops are made of high quality material, without contaminants. They serve to fix the joints of different conductive coatings at the time of their application. Fasteners are resistant to chemical compounds that do not impair their integrity or efficiency. They are water-repellent, easy and convenient to use, durable and functional.